Cylindrically symmetric Fresnel lens for high concentration photovoltaics

Yu-Ting Hung; Guo-Dung Su

doi:10.1117/12.826789

20 August 2009 Cylindrically symmetric Fresnel lens for high concentration photovoltaic

Yu-Ting Hung, Guo-Dung Su

Proceedings Volume 7423, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration VI; 74230W (2009) https://doi.org/10.1117/12.826789
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

High concentration photovoltaic (HCPV) utilizes point-focus cost-effective plastic Fresnel lens. And a millimeter-sized Ill-V compound multi-junction solar cell is placed underneath focusing optics which can achieve cell efficiency potential of up to 40.7 %. The advantage of HCPV makes less solar cell area and higher efficiency; however, the acceptance angle of HCPV is about ±1°, which is very small and the mechanical tracking of the sun is necessary. In order to reduce the power consumption and the angle tracking error of tracking systems, a light collector model with larger acceptance angle is designed with ZEMAX®. In this model, the original radially symmetric Fresnel lens of HCPV is replaced by cylindrically symmetric Fresnel lens and a parabolic reflective surface. Light is collected in two dimensions separately. And a couple of lenses and a light pipe are added before the solar cell chip in order to collect more light when sun light deviates from incident angle of 0⁰. An acceptance angle of ±10° is achieved with GCR 400.

Citation Download Citation

Yu-Ting Hung and Guo-Dung Su "Cylindrically symmetric Fresnel lens for high concentration photovoltaic", Proc. SPIE 7423, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration VI, 74230W (20 August 2009); https://doi.org/10.1117/12.826789

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available